Cannot connect to Exchange 2003

Posted on 2007-11-19
Last Modified: 2010-04-18
Hi Experts

We have recently implemented SBS 2003 into a client network and implemented Exchange 2003.  Everything has been working fine for weeks until this morning when none of the users could send/receive within Outlook 2003.  The send receive flashes up and does not report an error, however no mail is processed.

I have uninstalled Outlook 2003 on one of the PCs and now Exchange cannot resolve the name when setting the mail back up.

We are able to ping the server, nslookup SERVERNAME works correctly.  I have updated RUS etc etc.

Can anyone please help me with this?


Question by:grantballantyne
  • 3
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Expert Comment

ID: 20312567
Any errors in the Event Log? Weeks of operation seems to lead me to beleive that something has changed. Just a matter of finding out what, and why. Please provide any error ID codes, and other imortant information from eventvwr.msc.

Author Comment

ID: 20312722

There are loads of Exchange logs in the event viewer - most of which are probably as a result of me trying to solve the problem.  Please see a couple below:

Error Code:  2147221231  (MS ExchangeIS Mailbox)
Error Code:  8004011d-0512  (MAPI Services)

Does this provide any clues?

Thank you

Author Comment

ID: 20312973

I dont know if this provides any clues - but I just tried to add a new user in AD and it returned an error "the directory service encountered an unknown failure"

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Accepted Solution

jvalentineAGI earned 500 total points
ID: 20313061
Based on the error codes you have provided these may help:

Author Comment

ID: 20314989
Thanks for your help with this jvalentineAGI

The problem was a corrupt Active Directory database and was resolved by restoring the system state.  Quite strange considering users were able to login no problem.

I will award you the points and thanks again.


Expert Comment

ID: 20315013
My Pleasure. I am glad I was able to help steer you in the right direction. I have added this to my KB.


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